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Old 12-13-2014, 11:51 AM   #22 (permalink)
spacemanspif
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Join Date: Jul 2013
Location: Dirty Jersey
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The New Focus - '07 Ford Focus ZX5
90 day: 32.44 mpg (US)
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Quote:
Originally Posted by Striker2237 View Post
plus a supercharger to round it off....(If the math holds true to real life it will also be much more efficient if I keep my foot out of it)
Usually blowers and better MPG are inverse relationships. If you somehow find you get better MPG with one you are lucky. It's going to take A LOT of discipline to keep your foot out of the gas when you finish the project.

I say, buy a beater with the money you plan on spending on the engine, then with the money you save in gas bills, buy the parts and take your time building the engine. Most people with heavily modded vehicles NEED a beater for when the race car is down for service or just broken. Plus, once you put all that money into the truck and make that much power, you aren't going to want to drive it in bad weather due to how much trucks like to get sideways once a couple drops of rain fall...

I just picked up my Focus for $1,100 and doesn't seem to need any major work. Drove my Saturn for 100k miles and bought it for $1,500 and all it needed was basic maintenance and a couple replacement parts. If you don't like CL for finding cars, go to lots and look in the back of the lot, that's where they usually keep the cheap ones.
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-Mike

2007 Ford Focus ZX5 - 91k - SGII, pending upper and lower grill bocks - auto trans
1987 Monte Carlo SS - 5.3/4L80E swap - 13.67 @ 106
2007 Ford Focus Estate - 230k - 33mpg - Retired 4/2018
1995 Saturn SL2 - 256K miles - 44mpg - Retired 9/2014

Cost to Operate Spreadsheet for "The New Focus"

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